Turning – Severing or cut-off – With dust or chip handling
Patent
1995-04-19
1997-02-18
Rachuba, M.
Turning
Severing or cut-off
With dust or chip handling
83914, 425531, 82 59, B23B 516, B23B 1500
Patent
active
056032498
ABSTRACT:
A head trimmer machine for cutting off excess material from a cylindrical portion of a blow molded bottle includes a fixture, a spindle rotatably mounted in the fixture, a cutting head attached to the spindle for rotation therewith, a cutter mounted to the cutting head, and a vacuum source for collecting the trimmed material by suction. The cutting head has a central passage so that it can fit down over the head of the blow molded bottle. The cutter is supported in the cutting head for movement between retracted and extended positions. In the extended position, the cutter extends into the central passage of the cutting head to cut the head or other excess material from the neck of the bottle as the cutting head turns. The spindle includes a central passage aligned with the central passage of the cutting head and the excess material is removed by being drawn through these passages by a gaseous flow created by the vacuum source. Movement of the cutter can be pneumatically controlled by a pair of air pistons located on the cutting head, with the air pistons receiving pneumatic control signals from an outside source via rotational pneumatic couplings between the fixture and spindle.
REFERENCES:
patent: 4911253 (1990-03-01), Cliche
patent: 4919607 (1990-04-01), Martin et al.
patent: 4998873 (1991-03-01), Martin et al.
patent: 5419224 (1995-05-01), Gamperling et al.
Sheely James M.
Weber Lawrence H.
Hansen Kenneth J.
R & B Machine Tool Company
Rachuba M.
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